_ Git - ldk-java/blob - src/main/java/org/ldk/structs/ChannelMessageHandler.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10 /**
  11  * A trait to describe an object which can receive channel messages.
  12  *
  13  * Messages MAY be called in parallel when they originate from different their_node_ids, however
  14  * they MUST NOT be called in parallel when the two calls have the same their_node_id.
  15  */
  16 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  17 public class ChannelMessageHandler extends CommonBase {
  18         final bindings.LDKChannelMessageHandler bindings_instance;
  19         ChannelMessageHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  20         private ChannelMessageHandler(bindings.LDKChannelMessageHandler arg, bindings.LDKMessageSendEventsProvider MessageSendEventsProvider) {
  21                 super(bindings.LDKChannelMessageHandler_new(arg, MessageSendEventsProvider));
  22                 this.ptrs_to.add(arg);
  23                 this.ptrs_to.add(MessageSendEventsProvider);
  24                 this.bindings_instance = arg;
  25         }
  26         @Override @SuppressWarnings("deprecation")
  27         protected void finalize() throws Throwable {
  28                 if (ptr != 0) { bindings.ChannelMessageHandler_free(ptr); } super.finalize();
  29         }
  30
  31         public static interface ChannelMessageHandlerInterface {
  32                 /**
  33                  * Handle an incoming open_channel message from the given peer.
  34                  */
  35                 void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg);
  36                 /**
  37                  * Handle an incoming accept_channel message from the given peer.
  38                  */
  39                 void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg);
  40                 /**
  41                  * Handle an incoming funding_created message from the given peer.
  42                  */
  43                 void handle_funding_created(byte[] their_node_id, FundingCreated msg);
  44                 /**
  45                  * Handle an incoming funding_signed message from the given peer.
  46                  */
  47                 void handle_funding_signed(byte[] their_node_id, FundingSigned msg);
  48                 /**
  49                  * Handle an incoming channel_ready message from the given peer.
  50                  */
  51                 void handle_channel_ready(byte[] their_node_id, ChannelReady msg);
  52                 /**
  53                  * Handle an incoming shutdown message from the given peer.
  54                  */
  55                 void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg);
  56                 /**
  57                  * Handle an incoming closing_signed message from the given peer.
  58                  */
  59                 void handle_closing_signed(byte[] their_node_id, ClosingSigned msg);
  60                 /**
  61                  * Handle an incoming update_add_htlc message from the given peer.
  62                  */
  63                 void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg);
  64                 /**
  65                  * Handle an incoming update_fulfill_htlc message from the given peer.
  66                  */
  67                 void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg);
  68                 /**
  69                  * Handle an incoming update_fail_htlc message from the given peer.
  70                  */
  71                 void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg);
  72                 /**
  73                  * Handle an incoming update_fail_malformed_htlc message from the given peer.
  74                  */
  75                 void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg);
  76                 /**
  77                  * Handle an incoming commitment_signed message from the given peer.
  78                  */
  79                 void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg);
  80                 /**
  81                  * Handle an incoming revoke_and_ack message from the given peer.
  82                  */
  83                 void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg);
  84                 /**
  85                  * Handle an incoming update_fee message from the given peer.
  86                  */
  87                 void handle_update_fee(byte[] their_node_id, UpdateFee msg);
  88                 /**
  89                  * Handle an incoming announcement_signatures message from the given peer.
  90                  */
  91                 void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg);
  92                 /**
  93                  * Indicates a connection to the peer failed/an existing connection was lost. If no connection
  94                  * is believed to be possible in the future (eg they're sending us messages we don't
  95                  * understand or indicate they require unknown feature bits), no_connection_possible is set
  96                  * and any outstanding channels should be failed.
  97                  */
  98                 void peer_disconnected(byte[] their_node_id, boolean no_connection_possible);
  99                 /**
 100                  * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
 101                  */
 102                 void peer_connected(byte[] their_node_id, Init msg);
 103                 /**
 104                  * Handle an incoming channel_reestablish message from the given peer.
 105                  */
 106                 void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg);
 107                 /**
 108                  * Handle an incoming channel update from the given peer.
 109                  */
 110                 void handle_channel_update(byte[] their_node_id, ChannelUpdate msg);
 111                 /**
 112                  * Handle an incoming error message from the given peer.
 113                  */
 114                 void handle_error(byte[] their_node_id, ErrorMessage msg);
 115         }
 116         private static class LDKChannelMessageHandlerHolder { ChannelMessageHandler held; }
 117         public static ChannelMessageHandler new_impl(ChannelMessageHandlerInterface arg, MessageSendEventsProvider.MessageSendEventsProviderInterface MessageSendEventsProvider_impl) {
 118                 final LDKChannelMessageHandlerHolder impl_holder = new LDKChannelMessageHandlerHolder();
 119                 impl_holder.held = new ChannelMessageHandler(new bindings.LDKChannelMessageHandler() {
 120                         @Override public void handle_open_channel(byte[] their_node_id, long their_features, long msg) {
 121                                 org.ldk.structs.InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new org.ldk.structs.InitFeatures(null, their_features); }
 122                                 their_features_hu_conv.ptrs_to.add(this);
 123                                 org.ldk.structs.OpenChannel msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.OpenChannel(null, msg); }
 124                                 arg.handle_open_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
 125                                 Reference.reachabilityFence(arg);
 126                         }
 127                         @Override public void handle_accept_channel(byte[] their_node_id, long their_features, long msg) {
 128                                 org.ldk.structs.InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new org.ldk.structs.InitFeatures(null, their_features); }
 129                                 their_features_hu_conv.ptrs_to.add(this);
 130                                 org.ldk.structs.AcceptChannel msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.AcceptChannel(null, msg); }
 131                                 arg.handle_accept_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
 132                                 Reference.reachabilityFence(arg);
 133                         }
 134                         @Override public void handle_funding_created(byte[] their_node_id, long msg) {
 135                                 org.ldk.structs.FundingCreated msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.FundingCreated(null, msg); }
 136                                 arg.handle_funding_created(their_node_id, msg_hu_conv);
 137                                 Reference.reachabilityFence(arg);
 138                         }
 139                         @Override public void handle_funding_signed(byte[] their_node_id, long msg) {
 140                                 org.ldk.structs.FundingSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.FundingSigned(null, msg); }
 141                                 arg.handle_funding_signed(their_node_id, msg_hu_conv);
 142                                 Reference.reachabilityFence(arg);
 143                         }
 144                         @Override public void handle_channel_ready(byte[] their_node_id, long msg) {
 145                                 org.ldk.structs.ChannelReady msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.ChannelReady(null, msg); }
 146                                 arg.handle_channel_ready(their_node_id, msg_hu_conv);
 147                                 Reference.reachabilityFence(arg);
 148                         }
 149                         @Override public void handle_shutdown(byte[] their_node_id, long their_features, long msg) {
 150                                 org.ldk.structs.InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new org.ldk.structs.InitFeatures(null, their_features); }
 151                                 org.ldk.structs.Shutdown msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.Shutdown(null, msg); }
 152                                 arg.handle_shutdown(their_node_id, their_features_hu_conv, msg_hu_conv);
 153                                 Reference.reachabilityFence(arg);
 154                         }
 155                         @Override public void handle_closing_signed(byte[] their_node_id, long msg) {
 156                                 org.ldk.structs.ClosingSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.ClosingSigned(null, msg); }
 157                                 arg.handle_closing_signed(their_node_id, msg_hu_conv);
 158                                 Reference.reachabilityFence(arg);
 159                         }
 160                         @Override public void handle_update_add_htlc(byte[] their_node_id, long msg) {
 161                                 org.ldk.structs.UpdateAddHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.UpdateAddHTLC(null, msg); }
 162                                 arg.handle_update_add_htlc(their_node_id, msg_hu_conv);
 163                                 Reference.reachabilityFence(arg);
 164                         }
 165                         @Override public void handle_update_fulfill_htlc(byte[] their_node_id, long msg) {
 166                                 org.ldk.structs.UpdateFulfillHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.UpdateFulfillHTLC(null, msg); }
 167                                 arg.handle_update_fulfill_htlc(their_node_id, msg_hu_conv);
 168                                 Reference.reachabilityFence(arg);
 169                         }
 170                         @Override public void handle_update_fail_htlc(byte[] their_node_id, long msg) {
 171                                 org.ldk.structs.UpdateFailHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.UpdateFailHTLC(null, msg); }
 172                                 arg.handle_update_fail_htlc(their_node_id, msg_hu_conv);
 173                                 Reference.reachabilityFence(arg);
 174                         }
 175                         @Override public void handle_update_fail_malformed_htlc(byte[] their_node_id, long msg) {
 176                                 org.ldk.structs.UpdateFailMalformedHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.UpdateFailMalformedHTLC(null, msg); }
 177                                 arg.handle_update_fail_malformed_htlc(their_node_id, msg_hu_conv);
 178                                 Reference.reachabilityFence(arg);
 179                         }
 180                         @Override public void handle_commitment_signed(byte[] their_node_id, long msg) {
 181                                 org.ldk.structs.CommitmentSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.CommitmentSigned(null, msg); }
 182                                 arg.handle_commitment_signed(their_node_id, msg_hu_conv);
 183                                 Reference.reachabilityFence(arg);
 184                         }
 185                         @Override public void handle_revoke_and_ack(byte[] their_node_id, long msg) {
 186                                 org.ldk.structs.RevokeAndACK msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.RevokeAndACK(null, msg); }
 187                                 arg.handle_revoke_and_ack(their_node_id, msg_hu_conv);
 188                                 Reference.reachabilityFence(arg);
 189                         }
 190                         @Override public void handle_update_fee(byte[] their_node_id, long msg) {
 191                                 org.ldk.structs.UpdateFee msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.UpdateFee(null, msg); }
 192                                 arg.handle_update_fee(their_node_id, msg_hu_conv);
 193                                 Reference.reachabilityFence(arg);
 194                         }
 195                         @Override public void handle_announcement_signatures(byte[] their_node_id, long msg) {
 196                                 org.ldk.structs.AnnouncementSignatures msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.AnnouncementSignatures(null, msg); }
 197                                 arg.handle_announcement_signatures(their_node_id, msg_hu_conv);
 198                                 Reference.reachabilityFence(arg);
 199                         }
 200                         @Override public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
 201                                 arg.peer_disconnected(their_node_id, no_connection_possible);
 202                                 Reference.reachabilityFence(arg);
 203                         }
 204                         @Override public void peer_connected(byte[] their_node_id, long msg) {
 205                                 org.ldk.structs.Init msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.Init(null, msg); }
 206                                 arg.peer_connected(their_node_id, msg_hu_conv);
 207                                 Reference.reachabilityFence(arg);
 208                         }
 209                         @Override public void handle_channel_reestablish(byte[] their_node_id, long msg) {
 210                                 org.ldk.structs.ChannelReestablish msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.ChannelReestablish(null, msg); }
 211                                 arg.handle_channel_reestablish(their_node_id, msg_hu_conv);
 212                                 Reference.reachabilityFence(arg);
 213                         }
 214                         @Override public void handle_channel_update(byte[] their_node_id, long msg) {
 215                                 org.ldk.structs.ChannelUpdate msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.ChannelUpdate(null, msg); }
 216                                 arg.handle_channel_update(their_node_id, msg_hu_conv);
 217                                 Reference.reachabilityFence(arg);
 218                         }
 219                         @Override public void handle_error(byte[] their_node_id, long msg) {
 220                                 org.ldk.structs.ErrorMessage msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new org.ldk.structs.ErrorMessage(null, msg); }
 221                                 arg.handle_error(their_node_id, msg_hu_conv);
 222                                 Reference.reachabilityFence(arg);
 223                         }
 224                 }, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
 225                 return impl_holder.held;
 226         }
 227
 228         /**
 229          * Gets the underlying MessageSendEventsProvider.
 230          */
 231         public MessageSendEventsProvider get_message_send_events_provider() {
 232                 MessageSendEventsProvider res = new MessageSendEventsProvider(null, bindings.LDKChannelMessageHandler_get_MessageSendEventsProvider(this.ptr));
 233                 this.ptrs_to.add(res);
 234                 return res;
 235         }
 236
 237         /**
 238          * Handle an incoming open_channel message from the given peer.
 239          */
 240         public void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg) {
 241                 bindings.ChannelMessageHandler_handle_open_channel(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr, msg == null ? 0 : msg.ptr);
 242                 Reference.reachabilityFence(this);
 243                 Reference.reachabilityFence(their_node_id);
 244                 Reference.reachabilityFence(their_features);
 245                 Reference.reachabilityFence(msg);
 246                 this.ptrs_to.add(their_features);
 247                 this.ptrs_to.add(msg);
 248         }
 249
 250         /**
 251          * Handle an incoming accept_channel message from the given peer.
 252          */
 253         public void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg) {
 254                 bindings.ChannelMessageHandler_handle_accept_channel(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr, msg == null ? 0 : msg.ptr);
 255                 Reference.reachabilityFence(this);
 256                 Reference.reachabilityFence(their_node_id);
 257                 Reference.reachabilityFence(their_features);
 258                 Reference.reachabilityFence(msg);
 259                 this.ptrs_to.add(their_features);
 260                 this.ptrs_to.add(msg);
 261         }
 262
 263         /**
 264          * Handle an incoming funding_created message from the given peer.
 265          */
 266         public void handle_funding_created(byte[] their_node_id, FundingCreated msg) {
 267                 bindings.ChannelMessageHandler_handle_funding_created(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 268                 Reference.reachabilityFence(this);
 269                 Reference.reachabilityFence(their_node_id);
 270                 Reference.reachabilityFence(msg);
 271                 this.ptrs_to.add(msg);
 272         }
 273
 274         /**
 275          * Handle an incoming funding_signed message from the given peer.
 276          */
 277         public void handle_funding_signed(byte[] their_node_id, FundingSigned msg) {
 278                 bindings.ChannelMessageHandler_handle_funding_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 279                 Reference.reachabilityFence(this);
 280                 Reference.reachabilityFence(their_node_id);
 281                 Reference.reachabilityFence(msg);
 282                 this.ptrs_to.add(msg);
 283         }
 284
 285         /**
 286          * Handle an incoming channel_ready message from the given peer.
 287          */
 288         public void handle_channel_ready(byte[] their_node_id, ChannelReady msg) {
 289                 bindings.ChannelMessageHandler_handle_channel_ready(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 290                 Reference.reachabilityFence(this);
 291                 Reference.reachabilityFence(their_node_id);
 292                 Reference.reachabilityFence(msg);
 293                 this.ptrs_to.add(msg);
 294         }
 295
 296         /**
 297          * Handle an incoming shutdown message from the given peer.
 298          */
 299         public void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg) {
 300                 bindings.ChannelMessageHandler_handle_shutdown(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr, msg == null ? 0 : msg.ptr);
 301                 Reference.reachabilityFence(this);
 302                 Reference.reachabilityFence(their_node_id);
 303                 Reference.reachabilityFence(their_features);
 304                 Reference.reachabilityFence(msg);
 305                 this.ptrs_to.add(their_features);
 306                 this.ptrs_to.add(msg);
 307         }
 308
 309         /**
 310          * Handle an incoming closing_signed message from the given peer.
 311          */
 312         public void handle_closing_signed(byte[] their_node_id, ClosingSigned msg) {
 313                 bindings.ChannelMessageHandler_handle_closing_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 314                 Reference.reachabilityFence(this);
 315                 Reference.reachabilityFence(their_node_id);
 316                 Reference.reachabilityFence(msg);
 317                 this.ptrs_to.add(msg);
 318         }
 319
 320         /**
 321          * Handle an incoming update_add_htlc message from the given peer.
 322          */
 323         public void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg) {
 324                 bindings.ChannelMessageHandler_handle_update_add_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 325                 Reference.reachabilityFence(this);
 326                 Reference.reachabilityFence(their_node_id);
 327                 Reference.reachabilityFence(msg);
 328                 this.ptrs_to.add(msg);
 329         }
 330
 331         /**
 332          * Handle an incoming update_fulfill_htlc message from the given peer.
 333          */
 334         public void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg) {
 335                 bindings.ChannelMessageHandler_handle_update_fulfill_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 336                 Reference.reachabilityFence(this);
 337                 Reference.reachabilityFence(their_node_id);
 338                 Reference.reachabilityFence(msg);
 339                 this.ptrs_to.add(msg);
 340         }
 341
 342         /**
 343          * Handle an incoming update_fail_htlc message from the given peer.
 344          */
 345         public void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg) {
 346                 bindings.ChannelMessageHandler_handle_update_fail_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 347                 Reference.reachabilityFence(this);
 348                 Reference.reachabilityFence(their_node_id);
 349                 Reference.reachabilityFence(msg);
 350                 this.ptrs_to.add(msg);
 351         }
 352
 353         /**
 354          * Handle an incoming update_fail_malformed_htlc message from the given peer.
 355          */
 356         public void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg) {
 357                 bindings.ChannelMessageHandler_handle_update_fail_malformed_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 358                 Reference.reachabilityFence(this);
 359                 Reference.reachabilityFence(their_node_id);
 360                 Reference.reachabilityFence(msg);
 361                 this.ptrs_to.add(msg);
 362         }
 363
 364         /**
 365          * Handle an incoming commitment_signed message from the given peer.
 366          */
 367         public void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg) {
 368                 bindings.ChannelMessageHandler_handle_commitment_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 369                 Reference.reachabilityFence(this);
 370                 Reference.reachabilityFence(their_node_id);
 371                 Reference.reachabilityFence(msg);
 372                 this.ptrs_to.add(msg);
 373         }
 374
 375         /**
 376          * Handle an incoming revoke_and_ack message from the given peer.
 377          */
 378         public void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg) {
 379                 bindings.ChannelMessageHandler_handle_revoke_and_ack(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 380                 Reference.reachabilityFence(this);
 381                 Reference.reachabilityFence(their_node_id);
 382                 Reference.reachabilityFence(msg);
 383                 this.ptrs_to.add(msg);
 384         }
 385
 386         /**
 387          * Handle an incoming update_fee message from the given peer.
 388          */
 389         public void handle_update_fee(byte[] their_node_id, UpdateFee msg) {
 390                 bindings.ChannelMessageHandler_handle_update_fee(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 391                 Reference.reachabilityFence(this);
 392                 Reference.reachabilityFence(their_node_id);
 393                 Reference.reachabilityFence(msg);
 394                 this.ptrs_to.add(msg);
 395         }
 396
 397         /**
 398          * Handle an incoming announcement_signatures message from the given peer.
 399          */
 400         public void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg) {
 401                 bindings.ChannelMessageHandler_handle_announcement_signatures(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 402                 Reference.reachabilityFence(this);
 403                 Reference.reachabilityFence(their_node_id);
 404                 Reference.reachabilityFence(msg);
 405                 this.ptrs_to.add(msg);
 406         }
 407
 408         /**
 409          * Indicates a connection to the peer failed/an existing connection was lost. If no connection
 410          * is believed to be possible in the future (eg they're sending us messages we don't
 411          * understand or indicate they require unknown feature bits), no_connection_possible is set
 412          * and any outstanding channels should be failed.
 413          */
 414         public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
 415                 bindings.ChannelMessageHandler_peer_disconnected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), no_connection_possible);
 416                 Reference.reachabilityFence(this);
 417                 Reference.reachabilityFence(their_node_id);
 418                 Reference.reachabilityFence(no_connection_possible);
 419         }
 420
 421         /**
 422          * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
 423          */
 424         public void peer_connected(byte[] their_node_id, Init msg) {
 425                 bindings.ChannelMessageHandler_peer_connected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 426                 Reference.reachabilityFence(this);
 427                 Reference.reachabilityFence(their_node_id);
 428                 Reference.reachabilityFence(msg);
 429                 this.ptrs_to.add(msg);
 430         }
 431
 432         /**
 433          * Handle an incoming channel_reestablish message from the given peer.
 434          */
 435         public void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg) {
 436                 bindings.ChannelMessageHandler_handle_channel_reestablish(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 437                 Reference.reachabilityFence(this);
 438                 Reference.reachabilityFence(their_node_id);
 439                 Reference.reachabilityFence(msg);
 440                 this.ptrs_to.add(msg);
 441         }
 442
 443         /**
 444          * Handle an incoming channel update from the given peer.
 445          */
 446         public void handle_channel_update(byte[] their_node_id, ChannelUpdate msg) {
 447                 bindings.ChannelMessageHandler_handle_channel_update(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 448                 Reference.reachabilityFence(this);
 449                 Reference.reachabilityFence(their_node_id);
 450                 Reference.reachabilityFence(msg);
 451                 this.ptrs_to.add(msg);
 452         }
 453
 454         /**
 455          * Handle an incoming error message from the given peer.
 456          */
 457         public void handle_error(byte[] their_node_id, ErrorMessage msg) {
 458                 bindings.ChannelMessageHandler_handle_error(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr);
 459                 Reference.reachabilityFence(this);
 460                 Reference.reachabilityFence(their_node_id);
 461                 Reference.reachabilityFence(msg);
 462                 this.ptrs_to.add(msg);
 463         }
 464
 465 }